Service API overview

Use the Weave Service API, which provides REST endpoints for programmatic access to Weave functionality.

Base URL

For W&B Multi-tenant Cloud and W&B Dedicated Cloud, use the following base URL:

https://trace.wandb.ai

For W&B Self-Managed instances, use:

https://<your-subdomain>.wandb.io/traces

Authentication

Include your W&B API key in the request headers:

curl -H "Authorization: Bearer YOUR_API_KEY" https://trace.wandb.ai/...

Available Endpoints

Calls

• POST /call/end - Call End
• POST /call/read - Call Read
• POST /call/start - Call Start
• POST /call/update - Call Update
• POST /call/upsert_batch - Call Start Batch
• POST /calls/delete - Calls Delete
• POST /calls/query_stats - Calls Query Stats
• POST /calls/stream_query - Calls Query Stream

Costs

• POST /cost/create - Cost Create
• POST /cost/purge - Cost Purge
• POST /cost/query - Cost Query

Feedback

• POST /feedback/create - Feedback Create
• POST /feedback/purge - Feedback Purge
• POST /feedback/query - Feedback Query
• POST /feedback/replace - Feedback Replace

Files

• POST /file/content - File Content
• POST /file/create - File Create

Objects

• POST /obj/create - Obj Create
• POST /obj/delete - Obj Delete
• POST /obj/read - Obj Read
• POST /objs/query - Objs Query

OpenTelemetry

• POST /otel/v1/trace - Export Trace

Refs

• POST /refs/read_batch - Refs Read Batch

Service

• GET /health - Read Root
• GET /server_info - Server Info

Tables

• POST /table/create - Table Create
• POST /table/query - Table Query
• POST /table/query_stats - Table Query Stats
• POST /table/update - Table Update
• POST /table/query_stream - Table Query Stream

Threads

• POST /threads/stream_query - Threads Query Stream

Completions

• POST /completions/create - Completions Create
• POST /completions/create_stream - Completions Create Stream